Cleaning sheet



FIG. 1 is a perspective view of the cleaning sheet, embodying the new design;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof, the opposite back view is the mirror image thereto; and,

FIG. 4 is a side elevation view thereof, the opposite side is a mirror image thereto.

It is understood that the design shown in the figure views continues uniformly throughout the length and width of the cleaning sheet. The broken line border indicates that the cleaning sheet is of inderminate length and width.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a cleaning sheet, as shown and described. 